An Egyptian sarcophagus that is cargo on a pleasure cruise ship has a secret - it contains the son of Satan, and its effects start to make the ship's passengers behave strangely.
Dirk Benedict
as Simon McLane
Frank Converse
as Matt Lazarus
John Forsythe
as Rev. Charles Mather
Christopher George
as Neal Barry
Lynda Day George
as Sandra Barry
Jo Ann Harris
as Judy Haines
Lee Meriwether
as Lil Mather
Ray Milland
as Dr. Isiah Bakkun
Hugh O'Brian
as Captain Andy
Stella Stevens
as Marilyn Magnesun
Hilarie Thompson
as Debbie Porter
Marshall Thompson
as Bennett
